Lewis Dot Structures, Bohr Models, & Ionic vs. Covalent

Isotopes are elements with a different amount of

• protons
• neutrons
• electrons
• atoms

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

How many electrons does potassium K contain? (click to see image)

• 19
• 39
• 20
• 40

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.MS-PS1-1

This is the correct dot diagram for sodium (Na)

• true
• false

This is the correct dot diagram for nitrogen (N)

• true
• false

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.MS-PS1-1

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.HS-PS1-2